| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1013 |
42.9%
|
| 1 | Just once or twice | 432 |
18.3%
|
| 2 | Several times | 480 |
20.3%
|
| 3 | Many times | 246 |
10.4%
|
| 4 | Always | 191 |
8.1%
|
| 9 | Don't Know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|